Cephalexin

Identification

Summary

Cephalexin is a first generation cephalosporin used to treat certain susceptible bacterial infections.

Brand Names
Keflex
Generic Name
Cephalexin
DrugBank Accession Number
DB00567
Background

Cephalexin is the first of the first generation cephalosporins.7,8 This antibiotic contains a beta lactam and a dihydrothiazide.7 Cephalexin is used to treat a number of susceptible bacterial infections through inhibition of cell wall synthesis.9,Label Cephalexin was approved by the FDA on 4 January 1971.12

Type
Small Molecule
Groups
Approved, Investigational, Vet approved
Structure
Weight
Average: 347.389
Monoisotopic: 347.093976737
Chemical Formula
C16H17N3O4S
Synonyms
  • (6R,7R)-7-{[(2R)-2-amino-2-phenylacetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • 7-(D-alpha-Aminophenylacetamido)desacetoxycephalosporanic acid
  • 7-beta-(D-alpha-Amino-alpha-phenylacetylamino)-3-methyl-3-cephem-4-carboxylic acid
  • Anhydrous cefalexin
  • Anhydrous cephalexin
  • Cefalexin
  • Cefalexin anhydrous
  • Cefalexina
  • Céfalexine
  • Cefalexinum
  • Cephalexin anhydrous
External IDs
  • LILLY-66873
  • S-6437

Pharmacology

Indication

Cephalexin is indicated for the treatment of certain infections caused by susceptible bacteria.Label,13,14 These infections include respiratory tract infections, otitis media, skin and skin structure infections, bone infections, and genitourinary tract infections.Label,13,14

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Associated Conditions
Indication TypeIndicationCombined Product DetailsApproval LevelAge GroupPatient CharacteristicsDose Form
Treatment ofBone infection••••••••••••
Treatment ofGenitourinary tract infection••••••••••••
Treatment ofOtitis media••••••••••••
Treatment ofRespiratory tract infection••••••••••••
Treatment ofRespiratory tract infections••••••••••••
Contraindications & Blackbox Warnings
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Pharmacodynamics

Cephalexin (also called Cefalexin) is a first generation cephalosporin antibiotic.7,8 It is one of the most widely prescribed antibiotics, often used for the treatment of superficial infections that result as complications of minor wounds or lacerations.Label It is effective against most gram-positive bacteria through its inihibition of the cross linking reaction between N-acetyl muramicacid and N-acetylglucosamine in the cell wall, leading to cell lysis.9

Mechanism of action

Cephalexin is a first generation cephalosporin antibiotic.7,8 Cephalosporins contain a beta lactam and dihydrothiazide.7 Unlike penicillins, cephalosprins are more resistant to the action of beta lactamase.7 Cephalexin inhibits bacterial cell wall synthesis, leading breakdown and eventualy cell death.Label

TargetActionsOrganism
APenicillin-binding protein 3
inhibitor
Streptococcus pneumoniae
APenicillin-binding protein 2a
inhibitor
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
APenicillin-binding protein 1b
inhibitor
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
APenicillin-binding protein 2B
inhibitor
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
APenicillin-binding protein 1A
inhibitor
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Absorption

Well absorbed from the upper gastrointestinal tract with nearly 100% oral bioavailability.3,4 Cephalexin is not absorbed in the stomach but is absorbed in the upper intestine.5

Patients taking 250mg of cephalexin reach a maximum plasma concentration of 7.7mcg/mL and patients taking 500mg reach 12.3mcg/mL.1

Volume of distribution

5.2-5.8L.6

Protein binding

Cephalexin is 10-15% bound to serum proteinsLabel,13 including serum albumin.10

Metabolism

Cephalexin is not metabolized in the body.2,Label,13,14

Route of elimination

Cephalexin is over 90% excreted in the urine after 6 hours1 by glomerular filtration and tubular secretionLabel,13,14 with a mean urinary recovery of 99.3%.3 Cephalexin is unchanged in the urine.1,2,3

Half-life

The half life of cephalexin is 49.5 minutes in a fasted state and 76.5 minutes with food though these times were not significantly different in the study.3

Clearance

Clearance from one subject was 376mL/min.3

Adverse Effects
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Toxicity

Symptoms of overdose include blood in the urine, diarrhea, nausea, upper abdominal pain, and vomiting.Label An overdose is generally managed through supportive treatment as diuresis, dialysis, hemodialysis, and charcoal hemoperfusion are not well studied in this case.Label

The oral median lethal dose of cephalexin in rats is >5000 mg/kg. The oral LD50 in a monkey is >1g/kg and the lowest dose causing a toxic effect in humans is 14mg/kg.MSDS

Cephalexin has not been shown to be harmful in pregnancy and is not associated with teratogeniticy.Label Cephalexin is present in breast milk, though infants may be exposed to <1% of the dose given to the mother.Label The effects of breast milk exposure to cephalexin have not been established and so caution must be exercised and the risk and benefit of cephalexin use in breastfeeding must be weighed.Label

Cephalexin has not been studied for carcinogenicity or mutagenicity.Label Cephalexin has no affect on fertility in rats.Label

Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
DrugInteraction
AbacavirCephalexin may decrease the excretion rate of Abacavir which could result in a higher serum level.
AbametapirThe serum concentration of Cephalexin can be increased when it is combined with Abametapir.
AbataceptThe metabolism of Cephalexin can be increased when combined with Abatacept.
AbciximabThe therapeutic efficacy of Abciximab can be decreased when used in combination with Cephalexin.
AbemaciclibThe excretion of Abemaciclib can be decreased when combined with Cephalexin.
Food Interactions
  • Take with or without food.

Products

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Product Ingredients
IngredientUNIICASInChI Key
Cefalexin hydrochloride6VJE5G3D98105879-42-3YHJDZIQOCSDIQU-OEDJVVDHSA-N
Cefalexin monohydrateOBN7UDS42Y23325-78-2AVGYWQBCYZHHPN-CYJZLJNKSA-N
Cefalexin sodiumF78YJG0WXK38932-40-0NZDYPHVJLWMLJI-CYJZLJNKSA-M
Product Images
International/Other Brands
Alcephin (Alembic) / Alexin (Dabur) / Alsporin (Renata) / Cefadin (Life) / Cefalin (BioFemme) / Ceforal (Teva) / Cefovit (Vitamed) / Celexin (Atlantic) / Cephin (General Drugs House) / Ceporexin (Investi) / Felexin (Remedica) / Ibilex (Alphapharm) / Keforal (Saiph) / L-Keflex (Shionogi Seiyaku) / Larixin (Taisho Yakuhin) / Lonflex (Union) / Madlexin (Meiji) / Nufex (General Pharma) / Oriphex (Maydsm Trading) / Ospexin (Sandoz) / Palitrex (Galenika) / Pyassan (Sanofi) / Sanaxin (Sandoz) / Sencephalin (Takeda Pharmaceutical) / Sepexin (Hetero) / Servispor (Sandoz) / Sialexin (Siam Bheasach) / Sporicef (Ranbaxy) / Sporidex (Ranbaxy) / Syncl (Asahi Kasei Pharma) / Tepaxin (Takeda) / Uphalexin (CCM) / Voxxim (Roddensers) / Winlex (Winston)
Brand Name Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing EndRegionImage
Asn-cephalexinPowder, for suspension250 mg / 5 mLOralAscend Laboratories, LLCNot applicableNot applicableCanada flag
Asn-cephalexinPowder, for suspension125 mg / 5 mLOralAscend Laboratories, LLCNot applicableNot applicableCanada flag
CephalexinTablet500 mgOralSanis Health Inc2022-05-31Not applicableCanada flag
CephalexinTablet250 mgOralSanis Health Inc2022-05-31Not applicableCanada flag
CephalexinTablet500 mgOralSivem Pharmaceuticals Ulc2020-10-22Not applicableCanada flag
Generic Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing EndRegionImage
Apo-cephalexTablet500 mgOralApotex Corporation1988-12-31Not applicableCanada flag
Apo-cephalexTablet250 mgOralApotex Corporation1988-12-31Not applicableCanada flag
Auro-cephalexinPowder, for suspension250 mg / 5 mLOralAuro Pharma Inc2020-07-23Not applicableCanada flag
Auro-cephalexinTablet500 mgOralAuro Pharma Inc2018-07-30Not applicableCanada flag
Auro-cephalexinPowder, for suspension125 mg / 5 mLOralAuro Pharma Inc2020-07-23Not applicableCanada flag

Categories

ATC Codes
J01DB01 — Cefalexin
Drug Categories
Chemical TaxonomyProvided by Classyfire
Description
This compound belongs to the class of organic compounds known as cephalosporins. These are compounds containing a 1,2-thiazine fused to a 2-azetidinone to for a oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid moiety or a derivative thereof.
Kingdom
Organic compounds
Super Class
Organoheterocyclic compounds
Class
Lactams
Sub Class
Beta lactams
Direct Parent
Cephalosporins
Alternative Parents
N-acyl-alpha amino acids and derivatives / Alpha amino acid amides / Phenylacetamides / Aralkylamines / 1,3-thiazines / Tertiary carboxylic acid amides / Secondary carboxylic acid amides / Amino acids / Azetidines / Thiohemiaminal derivatives
show 9 more
Substituents
Alpha-amino acid amide / Alpha-amino acid or derivatives / Amine / Amino acid / Amino acid or derivatives / Aralkylamine / Aromatic heteropolycyclic compound / Azacycle / Azetidine / Benzenoid
show 24 more
Molecular Framework
Aromatic heteropolycyclic compounds
External Descriptors
cephalosporin (CHEBI:3534)
Affected organisms
  • Enteric bacteria and other eubacteria

Chemical Identifiers

UNII
5SFF1W6677
CAS number
15686-71-2
InChI Key
ZAIPMKNFIOOWCQ-UEKVPHQBSA-N
InChI
InChI=1S/C16H17N3O4S/c1-8-7-24-15-11(14(21)19(15)12(8)16(22)23)18-13(20)10(17)9-5-3-2-4-6-9/h2-6,10-11,15H,7,17H2,1H3,(H,18,20)(H,22,23)/t10-,11-,15-/m1/s1
IUPAC Name
(6R,7R)-7-[(2R)-2-amino-2-phenylacetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
SMILES
[H][C@]12SCC(C)=C(N1C(=O)[C@H]2NC(=O)[C@H](N)C1=CC=CC=C1)C(O)=O

References

Synthesis Reference

Peter Faarup, "Method of preparing a sparingly soluble complex of cephalexin." U.S. Patent US4003896, issued May, 1975.

US4003896
General References
  1. Thornhill TS, Levison ME, Johnson WD, Kaye D: In vitro antimicrobial activity and human pharmacology of cephalexin, a new orally absorbed cephalosporin C antibiotic. Appl Microbiol. 1969 Mar;17(3):457-61. [Article]
  2. Sullivan HR, Billings RE, McMahon RE: Metabolism of cephalexin-14C in mice and in rats. J Antibiot (Tokyo). 1969 May;22(5):195-200. [Article]
  3. Gower PE, Dash CH: Cephalexin: human studies of absorption and excretion of a new cephalosporin antibiotic. Br J Pharmacol. 1969 Nov;37(3):738-47. doi: 10.1111/j.1476-5381.1969.tb08513.x. [Article]
  4. Henning C, Kallings LO, Lidman K, Sterner G: Studies of absorption, excretion, antibacterial and clinical effect of cephalexin. Scand J Infect Dis. 1970;2(2):131-8. [Article]
  5. Griffith RS: The pharmacology of cephalexin. Postgrad Med J. 1983;59 Suppl 5:16-27. [Article]
  6. Pfeffer M, Jackson A, Ximenes J, de Menezes JP: Comparative human oral clinical pharmacology of cefadroxil, cephalexin, and cephradine. Antimicrob Agents Chemother. 1977 Feb;11(2):331-8. doi: 10.1128/aac.11.2.331. [Article]
  7. Tanrisever B, Santella PJ: Cefadroxil. A review of its antibacterial, pharmacokinetic and therapeutic properties in comparison with cephalexin and cephradine. Drugs. 1986;32 Suppl 3:1-16. doi: 10.2165/00003495-198600323-00003. [Article]
  8. Sader HS, Jacobs MR, Fritsche TR: Review of the spectrum and potency of orally administered cephalosporins and amoxicillin/clavulanate. Diagn Microbiol Infect Dis. 2007 Mar;57(3 Suppl):5S-12S. doi: 10.1016/j.diagmicrobio.2006.12.014. Epub 2007 Feb 9. [Article]
  9. Fisher JF, Meroueh SO, Mobashery S: Bacterial resistance to beta-lactam antibiotics: compelling opportunism, compelling opportunity. Chem Rev. 2005 Feb;105(2):395-424. doi: 10.1021/cr030102i. [Article]
  10. Nerli B, Romanini D, Pico G: Structural specificity requirements in the binding of beta lactam antibiotics to human serum albumin. Chem Biol Interact. 1997 May 2;104(2-3):179-202. [Article]
  11. Cephalexin Product Monograph [Link]
  12. FDA Approved Drug Products: Cephalexin Oral Capsule [Link]
  13. FDA Approved Drug Products: Cephalexin Oral Suspension [Link]
  14. FDA Approved Drug Products: Cephalexin Oral Tablet [Link]
Human Metabolome Database
HMDB0014707
KEGG Drug
D00263
KEGG Compound
C06895
PubChem Compound
27447
PubChem Substance
46506749
ChemSpider
25541
BindingDB
50139896
RxNav
1299782
ChEBI
3534
ChEMBL
CHEMBL1727
ZINC
ZINC000003830500
Therapeutic Targets Database
DAP000437
PharmGKB
PA448883
RxList
RxList Drug Page
Drugs.com
Drugs.com Drug Page
PDRhealth
PDRhealth Drug Page
Wikipedia
Cefalexin
FDA label
Download (133 KB)
MSDS
Download (25.4 KB)

Clinical Trials

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PhaseStatusPurposeConditionsCountStart DateWhy Stopped100+ additional columns
Not AvailableCompletedNot AvailableDrug Half Life / Pharmacokinetics / Placebo Effect1somestatusstop reasonjust information to hide
Not AvailableCompletedPreventionElective Cesarean Section1somestatusstop reasonjust information to hide
Not AvailableCompletedTreatmentCellulitis1somestatusstop reasonjust information to hide
Not AvailableCompletedTreatmentPregnancy, Complications1somestatusstop reasonjust information to hide
Not AvailableCompletedTreatmentSnoring / Strep Throat1somestatusstop reasonjust information to hide

Pharmacoeconomics

Manufacturers
  • Acs dobfar info sa
  • Apothecon inc div bristol myers squibb
  • Aurobindo pharma ltd inc
  • Barr laboratories inc
  • Belcher pharmaceuticals inc
  • Hikma pharmaceuticals
  • Ivax pharmaceuticals inc sub teva pharmaceuticals usa
  • Lupin ltd
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  • Purepac pharmaceutical co
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  • Teva pharmaceuticals usa inc
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  • Middlebrook pharmaceuticals inc
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  • Eli lilly and co
Packagers
  • Advanced Pharmaceutical Services Inc.
  • Aidarex Pharmacuticals LLC
  • Altura Pharmaceuticals Inc.
  • Amkas Laboratories Inc.
  • A-S Medication Solutions LLC
  • Aurobindo Pharma Ltd.
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  • Carlisle Laboratories Inc.
  • Carlsbad Technology Inc.
  • Central Texas Community Health Centers
  • Ceph International Corp.
  • Comprehensive Consultant Services Inc.
  • Darby Dental Supply Co. Inc.
  • DAVA Pharmaceuticals
  • Dispensing Solutions
  • Diversified Healthcare Services Inc.
  • Dorx LLC
  • Eli Lilly & Co.
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  • H.J. Harkins Co. Inc.
  • Innoviant Pharmacy Inc.
  • Institut Biochemique SA
  • International Ethical Labs Inc.
  • Jazeera Pharmaceutical Industries
  • Keltman Pharmaceuticals Inc.
  • Levista Inc.
  • Liberty Pharmaceuticals
  • Lupin Pharmaceuticals Inc.
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  • Nucare Pharmaceuticals Inc.
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  • PD-Rx Pharmaceuticals Inc.
  • Pharmaceutical Utilization Management Program VA Inc.
  • Pharmedix
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  • Prepackage Specialists
  • Prepak Systems Inc.
  • Prescript Pharmaceuticals
  • Qualitest
  • Ranbaxy Laboratories
  • Rebel Distributors Corp.
  • Redpharm Drug
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Dosage Forms
FormRouteStrength
Tablet, film coatedOral1 g
CapsuleOral500.000 mg
SyrupOral125 MG/ML
TabletOral
CapsuleOral525 mg
SuspensionOral
TabletOral526.04 mg
Capsule, coatedOral500 mg
Capsule, coatedOral525.76 mg
Powder, for suspensionOral2.5 g
SuspensionOral5 g
TabletOral1 mg
Powder, for solutionOral5.2576 g
TabletOral500.000 mg
Powder, for suspensionOral
Capsule, coatedOral50000000 mg
CapsuleOral250.000 mg
Granule, for suspensionOral125 mg/5ml
Tablet, film coatedOral1000 MG
For suspensionOral125 mg/5mL
For suspensionOral250 mg/5mL
Powder, for suspensionOral125 mg/5mL
Powder, for suspensionOral250 mg/5mL
TabletOral250 mg/1
TabletOral500 mg/1
Tablet, film coatedOral250 mg/1
Tablet, film coatedOral500 mg/1
SuspensionOral125 mg/5mL
SuspensionOral250 mg/5mL
Tablet, film coatedOral
CapsuleOral250 MG
SuspensionOral5 %
SyrupOral10 %
SyrupOral5 %
TabletOral1 g
TabletOral1.000 g
Tablet, coatedOral1 G
Powder, for suspensionOral250 mg
Capsule, coatedOral250 mg
SyrupOral125 MG/5ML
SyrupOral250 MG/5ML
Powder, for suspensionOral5 mg
Powder, for solutionOral500000 g
Powder, for suspensionOral5300 mg/100ml
SyrupOral
CapsuleOral250 mg/1
CapsuleOral333 mg/1
CapsuleOral500 mg/1
CapsuleOral750 mg/1
Granule, for suspensionOral
Powder, for suspensionOral125 mg / 5 mL
Powder, for suspensionOral250 mg / 5 mL
Tablet, coatedOral1000 mg
Tablet, film coatedOral500 mg
Solution / dropsOral100 MG/ML
Powder, for suspensionOral5 g
Tablet, film coatedOral1 gr
CapsuleOral
SuspensionOral
SuspensionOral5.000 g
SuspensionOral2.500 g
TabletOral250 mg
TabletOral500 mg
CapsuleOral
Granule, for suspensionOral250 mg/5ml
TabletOral1000 mg
GranuleOral276.03 mg
GranuleOral5 g
Capsule, coatedOral0.5 g
Tablet, solubleOral125 mg/1
Tablet, solubleOral250 mg/1
TabletOral
SuspensionOral125 mg / 5 mL
SuspensionOral250 mg / 5 mL
Powder250 mg/5ml
Tablet, extended releaseOral750 mg
Tablet, film coatedOral250 mg
Tablet, coatedOral500 mg
Tablet, coatedOral250 mg
Powder, for suspensionOral500 mg/5ml
CapsuleOral500 mg
Prices
Unit descriptionCostUnit
Cephalexin 250 mg/5ml Suspension 200ml Bottle32.76USD bottle
Cephalexin 250 mg/5ml Suspension 100ml Bottle19.66USD bottle
Cephalexin 125 mg/5ml Suspension 200ml Bottle16.39USD bottle
Cephalexin 125 mg/5ml Suspension 100ml Bottle15.99USD bottle
Keflex 500 mg capsule5.75USD capsule
Keflex 500 mg pulvule4.99USD each
Keflex 750 mg capsule3.34USD capsule
Cephalexin 500 mg tablet2.25USD tablet
Keflex 250 mg capsule2.2USD capsule
Keflex 250 mg pulvule1.85USD each
Cephalexin 500 mg capsule1.4USD capsule
Cephalexin 250 mg tablet1.17USD tablet
Cephalexin 250 mg capsule0.72USD capsule
Apo-Cephalex 500 mg Tablet0.47USD tablet
Novo-Lexin 500 mg Capsule0.47USD capsule
Novo-Lexin 500 mg Tablet0.47USD tablet
Nu-Cephalex 500 mg Tablet0.47USD tablet
Apo-Cephalex 250 mg Tablet0.24USD tablet
Novo-Lexin 250 mg Capsule0.24USD capsule
Novo-Lexin 250 mg Tablet0.24USD tablet
Nu-Cephalex 250 mg Tablet0.24USD tablet
Novo-Lexin 50 mg/ml Suspension0.14USD ml
Novo-Lexin 25 mg/ml Suspension0.09USD ml
DrugBank does not sell nor buy drugs. Pricing information is supplied for informational purposes only.
Patents
Not Available

Properties

State
Solid
Experimental Properties
PropertyValueSource
melting point (°C)326.8 °Chttp://www.chemspider.com/Chemical-Structure.25541.html
boiling point (°C)727.4http://www.chemspider.com/Chemical-Structure.25541.html
water solubility10mg/mLhttp://www.chemspider.com/Chemical-Structure.25541.html
logP0.65HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
Water Solubility0.297 mg/mLALOGPS
logP0.55ALOGPS
logP-2.1Chemaxon
logS-3.1ALOGPS
pKa (Strongest Acidic)3.26Chemaxon
pKa (Strongest Basic)7.23Chemaxon
Physiological Charge0Chemaxon
Hydrogen Acceptor Count5Chemaxon
Hydrogen Donor Count3Chemaxon
Polar Surface Area112.73 Å2Chemaxon
Rotatable Bond Count4Chemaxon
Refractivity88.97 m3·mol-1Chemaxon
Polarizability32.52 Å3Chemaxon
Number of Rings3Chemaxon
Bioavailability1Chemaxon
Rule of FiveYesChemaxon
Ghose FilterNoChemaxon
Veber's RuleNoChemaxon
MDDR-like RuleNoChemaxon
Predicted ADMET Features
PropertyValueProbability
Human Intestinal Absorption-0.7537
Blood Brain Barrier-0.996
Caco-2 permeable-0.8956
P-glycoprotein substrateSubstrate0.786
P-glycoprotein inhibitor INon-inhibitor0.9033
P-glycoprotein inhibitor IINon-inhibitor0.9921
Renal organic cation transporterNon-inhibitor0.9485
CYP450 2C9 substrateNon-substrate0.8011
CYP450 2D6 substrateNon-substrate0.8308
CYP450 3A4 substrateNon-substrate0.5289
CYP450 1A2 substrateNon-inhibitor0.9242
CYP450 2C9 inhibitorNon-inhibitor0.9251
CYP450 2D6 inhibitorNon-inhibitor0.9359
CYP450 2C19 inhibitorNon-inhibitor0.922
CYP450 3A4 inhibitorNon-inhibitor0.831
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.9303
Ames testNon AMES toxic0.6834
CarcinogenicityNon-carcinogens0.8861
BiodegradationNot ready biodegradable0.9812
Rat acute toxicity1.2715 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.9971
hERG inhibition (predictor II)Non-inhibitor0.8686
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397)

Spectra

Mass Spec (NIST)
Not Available
Spectra
SpectrumSpectrum TypeSplash Key
Predicted GC-MS Spectrum - GC-MSPredicted GC-MSsplash10-0a4i-0900000000-268bac07b4777b149217
LC-MS/MS Spectrum - LC-ESI-QTOF , positiveLC-MS/MSsplash10-0ab9-0900000000-e1976a2fc84f1a3ef783
Predicted MS/MS Spectrum - 10V, Positive (Annotated)Predicted LC-MS/MSsplash10-053s-0904000000-31572235000f1be84e04
Predicted MS/MS Spectrum - 10V, Negative (Annotated)Predicted LC-MS/MSsplash10-001r-4922000000-f91e593d765e1ee6f381
Predicted MS/MS Spectrum - 20V, Positive (Annotated)Predicted LC-MS/MSsplash10-0a4i-1930000000-b993c679de8cad6c6a87
Predicted MS/MS Spectrum - 20V, Negative (Annotated)Predicted LC-MS/MSsplash10-0a4i-1945000000-a1c3d53b3bf453dca01c
Predicted MS/MS Spectrum - 40V, Positive (Annotated)Predicted LC-MS/MSsplash10-0a4i-1921000000-58cd0524920e8ad40125
Predicted MS/MS Spectrum - 40V, Negative (Annotated)Predicted LC-MS/MSsplash10-0zfu-5920000000-df6deb0a1e4cc6c3b9a4
Predicted 1H NMR Spectrum1D NMRNot Applicable
Predicted 13C NMR Spectrum1D NMRNot Applicable
Chromatographic Properties
Collision Cross Sections (CCS)
AdductCCS Value (Å2)Source typeSource
[M-H]-181.5579472
predicted
DarkChem Lite v0.1.0
[M-H]-182.1370472
predicted
DarkChem Lite v0.1.0
[M-H]-177.76091
predicted
DeepCCS 1.0 (2019)
[M+H]+180.9790472
predicted
DarkChem Lite v0.1.0
[M+H]+181.0009472
predicted
DarkChem Lite v0.1.0
[M+H]+180.11891
predicted
DeepCCS 1.0 (2019)
[M+Na]+180.6759472
predicted
DarkChem Lite v0.1.0
[M+Na]+186.81802
predicted
DeepCCS 1.0 (2019)

Targets

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Kind
Protein
Organism
Streptococcus pneumoniae
Pharmacological action
Yes
Actions
Inhibitor
General Function
Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors.
Specific Function
serine-type D-Ala-D-Ala carboxypeptidase activity
Gene Name
pbp3
Uniprot ID
Q75Y35
Uniprot Name
Penicillin-binding protein 3
Molecular Weight
45209.84 Da
References
  1. Williamson R, Hakenbeck R, Tomasz A: In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother. 1980 Oct;18(4):629-37. [Article]
Kind
Protein
Organism
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Pharmacological action
Yes
Actions
Inhibitor
General Function
Cell wall formation. Synthesis of cross-linked peptidoglycan (PG) from the lipid intermediates (By similarity). Binds dansylated lipid II and catalyzes the polymerization of glycan chains (PubMed:12867450, PubMed:22487093). Hydrolyzes S2d (N-benzoyl-D-alanylmercaptoacetic acid) molecule, a synthetic thiolester analog of cell wall stem peptide (PubMed:10217767, PubMed:22487093). Active against bocillin, a fluorescent penicillin. No transpeptidase activity with non-fluorescent lysine-containing lipid II as substrate (PubMed:22487093).
Specific Function
acyltransferase activity
Gene Name
pbp2a
Uniprot ID
Q8DNB6
Uniprot Name
Penicillin-binding protein 2a
Molecular Weight
80797.94 Da
References
  1. Williamson R, Hakenbeck R, Tomasz A: In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother. 1980 Oct;18(4):629-37. [Article]
  2. Mitsuoka K, Kato Y, Kubo Y, Tsuji A: Functional expression of stereoselective metabolism of cephalexin by exogenous transfection of oligopeptide transporter PEPT1. Drug Metab Dispos. 2007 Mar;35(3):356-62. Epub 2006 Dec 1. [Article]
Kind
Protein
Organism
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Pharmacological action
Yes
Actions
Inhibitor
General Function
Not Available
Specific Function
acyltransferase activity
Gene Name
pbp1b
Uniprot ID
Q7CRA4
Uniprot Name
Penicillin-binding protein 1b
Molecular Weight
89479.92 Da
References
  1. Williamson R, Hakenbeck R, Tomasz A: In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother. 1980 Oct;18(4):629-37. [Article]
Kind
Protein
Organism
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Pharmacological action
Yes
Actions
Inhibitor
General Function
A transpeptidase that forms peptide cross-links between adjacent glycan strands in cell wall peptidoglycan (PG). Part of the elongasome machinery that synthesizes peripheral PG.
Specific Function
penicillin binding
Gene Name
penA
Uniprot ID
P0A3M6
Uniprot Name
Penicillin-binding protein 2B
Molecular Weight
73872.305 Da
References
  1. Williamson R, Hakenbeck R, Tomasz A: In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother. 1980 Oct;18(4):629-37. [Article]
Kind
Protein
Organism
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Pharmacological action
Yes
Actions
Inhibitor
General Function
Cell wall formation.
Specific Function
penicillin binding
Gene Name
pbpA
Uniprot ID
Q8DR59
Uniprot Name
Penicillin-binding protein 1A
Molecular Weight
79700.9 Da
References
  1. Williamson R, Hakenbeck R, Tomasz A: In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother. 1980 Oct;18(4):629-37. [Article]

Carriers

Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Binder
General Function
Binds water, Ca(2+), Na(+), K(+), fatty acids, hormones, bilirubin and drugs (Probable). Its main function is the regulation of the colloidal osmotic pressure of blood (Probable). Major zinc transporter in plasma, typically binds about 80% of all plasma zinc (PubMed:19021548). Major calcium and magnesium transporter in plasma, binds approximately 45% of circulating calcium and magnesium in plasma (By similarity). Potentially has more than two calcium-binding sites and might additionally bind calcium in a non-specific manner (By similarity). The shared binding site between zinc and calcium at residue Asp-273 suggests a crosstalk between zinc and calcium transport in the blood (By similarity). The rank order of affinity is zinc > calcium > magnesium (By similarity). Binds to the bacterial siderophore enterobactin and inhibits enterobactin-mediated iron uptake of E.coli from ferric transferrin, and may thereby limit the utilization of iron and growth of enteric bacteria such as E.coli (PubMed:6234017). Does not prevent iron uptake by the bacterial siderophore aerobactin (PubMed:6234017)
Specific Function
antioxidant activity
Gene Name
ALB
Uniprot ID
P02768
Uniprot Name
Albumin
Molecular Weight
69365.94 Da
References
  1. Bratlid D, Bergan T: Displacement of albumin-bound antimicrobial agents by bilirubin. Pharmacology. 1976;14(5):464-72. doi: 10.1159/000136629. [Article]
  2. Nerli B, Romanini D, Pico G: Structural specificity requirements in the binding of beta lactam antibiotics to human serum albumin. Chem Biol Interact. 1997 May 2;104(2-3):179-202. [Article]

Transporters

Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Inhibitor
General Function
Sodium-ion dependent, high affinity carnitine transporter. Involved in the active cellular uptake of carnitine. Transports one sodium ion with one molecule of carnitine (PubMed:10454528, PubMed:10525100, PubMed:10966938, PubMed:17509700, PubMed:20722056, PubMed:33124720). Also transports organic cations such as tetraethylammonium (TEA) without the involvement of sodium. Relative uptake activity ratio of carnitine to TEA is 11.3 (PubMed:10454528, PubMed:10525100, PubMed:10966938). In intestinal epithelia, transports the quorum-sensing pentapeptide CSF (competence and sporulation factor) from Bacillus Subtilis wich induces cytoprotective heat shock proteins contributing to intestinal homeostasis (PubMed:18005709). May also contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
Specific Function
(R)-carnitine transmembrane transporter activity
Gene Name
SLC22A5
Uniprot ID
O76082
Uniprot Name
Organic cation/carnitine transporter 2
Molecular Weight
62751.08 Da
References
  1. Ganapathy ME, Huang W, Rajan DP, Carter AL, Sugawara M, Iseki K, Leibach FH, Ganapathy V: beta-lactam antibiotics as substrates for OCTN2, an organic cation/carnitine transporter. J Biol Chem. 2000 Jan 21;275(3):1699-707. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Substrate
Inhibitor
General Function
Electrogenic proton-coupled amino-acid transporter that transports oligopeptides of 2 to 4 amino acids with a preference for dipeptides. Transports neutral and monovalently charged peptides with a proton to peptide stoichiometry of 1:1 or 2:1 (By similarity) (PubMed:15521010, PubMed:18367661, PubMed:19685173, PubMed:26320580, PubMed:7896779, PubMed:8914574, PubMed:9835627). Primarily responsible for the absorption of dietary di- and tripeptides from the small intestinal lumen (By similarity). Mediates transepithelial transport of muramyl and N-formylated bacterial dipeptides contributing to recognition of pathogenic bacteria by the mucosal immune system (PubMed:15521010, PubMed:9835627)
Specific Function
dipeptide transmembrane transporter activity
Gene Name
SLC15A1
Uniprot ID
P46059
Uniprot Name
Solute carrier family 15 member 1
Molecular Weight
78805.265 Da
References
  1. Liang R, Fei YJ, Prasad PD, Ramamoorthy S, Han H, Yang-Feng TL, Hediger MA, Ganapathy V, Leibach FH: Human intestinal H+/peptide cotransporter. Cloning, functional expression, and chromosomal localization. J Biol Chem. 1995 Mar 24;270(12):6456-63. [Article]
  2. Wenzel U, Gebert I, Weintraut H, Weber WM, Clauss W, Daniel H: Transport characteristics of differently charged cephalosporin antibiotics in oocytes expressing the cloned intestinal peptide transporter PepT1 and in human intestinal Caco-2 cells. J Pharmacol Exp Ther. 1996 May;277(2):831-9. [Article]
  3. Covitz KM, Amidon GL, Sadee W: Human dipeptide transporter, hPEPT1, stably transfected into Chinese hamster ovary cells. Pharm Res. 1996 Nov;13(11):1631-4. [Article]
  4. Han HK, Rhie JK, Oh DM, Saito G, Hsu CP, Stewart BH, Amidon GL: CHO/hPEPT1 cells overexpressing the human peptide transporter (hPEPT1) as an alternative in vitro model for peptidomimetic drugs. J Pharm Sci. 1999 Mar;88(3):347-50. [Article]
  5. Guo A, Hu P, Balimane PV, Leibach FH, Sinko PJ: Interactions of a nonpeptidic drug, valacyclovir, with the human intestinal peptide transporter (hPEPT1) expressed in a mammalian cell line. J Pharmacol Exp Ther. 1999 Apr;289(1):448-54. [Article]
  6. Luckner P, Brandsch M: Interaction of 31 beta-lactam antibiotics with the H+/peptide symporter PEPT2: analysis of affinity constants and comparison with PEPT1. Eur J Pharm Biopharm. 2005 Jan;59(1):17-24. [Article]
  7. Terada T, Saito H, Mukai M, Inui K: Recognition of beta-lactam antibiotics by rat peptide transporters, PEPT1 and PEPT2, in LLC-PK1 cells. Am J Physiol. 1997 Nov;273(5 Pt 2):F706-11. [Article]
  8. Ganapathy ME, Brandsch M, Prasad PD, Ganapathy V, Leibach FH: Differential recognition of beta -lactam antibiotics by intestinal and renal peptide transporters, PEPT 1 and PEPT 2. J Biol Chem. 1995 Oct 27;270(43):25672-7. [Article]
  9. Tamai I, Nakanishi T, Hayashi K, Terao T, Sai Y, Shiraga T, Miyamoto K, Takeda E, Higashida H, Tsuji A: The predominant contribution of oligopeptide transporter PepT1 to intestinal absorption of beta-lactam antibiotics in the rat small intestine. J Pharm Pharmacol. 1997 Aug;49(8):796-801. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Inhibitor
General Function
Proton-coupled amino-acid transporter that transports oligopeptides of 2 to 4 amino acids with a preference for dipeptides (PubMed:16434549, PubMed:18367661, PubMed:7756356). Transports neutral and anionic dipeptides with a proton to peptide stoichiometry of 2:1 or 3:1 (By similarity). In kidney, involved in the absorption of circulating di- and tripeptides from the glomerular filtrate (PubMed:7756356). Can also transport beta-lactam antibiotics, such as the aminocephalosporin cefadroxil, and other antiviral and anticancer drugs (PubMed:16434549). Transports the dipeptide-like aminopeptidase inhibitor bestatin (By similarity). Also able to transport carnosine (PubMed:31073693). Involved in innate immunity by promoting the detection of microbial pathogens by NOD-like receptors (NLRs) (By similarity). Mediates transport of bacterial peptidoglycans across the plasma membrane or, in macrophages, the phagosome membrane: catalyzes the transport of certain bacterial peptidoglycans, such as muramyl dipeptide (MDP), the NOD2 ligand (PubMed:20406817)
Specific Function
dipeptide transmembrane transporter activity
Gene Name
SLC15A2
Uniprot ID
Q16348
Uniprot Name
Solute carrier family 15 member 2
Molecular Weight
81782.77 Da
References
  1. Liu W, Liang R, Ramamoorthy S, Fei YJ, Ganapathy ME, Hediger MA, Ganapathy V, Leibach FH: Molecular cloning of PEPT 2, a new member of the H+/peptide cotransporter family, from human kidney. Biochim Biophys Acta. 1995 May 4;1235(2):461-6. [Article]
  2. Ganapathy ME, Brandsch M, Prasad PD, Ganapathy V, Leibach FH: Differential recognition of beta -lactam antibiotics by intestinal and renal peptide transporters, PEPT 1 and PEPT 2. J Biol Chem. 1995 Oct 27;270(43):25672-7. [Article]
  3. Terada T, Saito H, Mukai M, Inui K: Recognition of beta-lactam antibiotics by rat peptide transporters, PEPT1 and PEPT2, in LLC-PK1 cells. Am J Physiol. 1997 Nov;273(5 Pt 2):F706-11. [Article]
  4. Luckner P, Brandsch M: Interaction of 31 beta-lactam antibiotics with the H+/peptide symporter PEPT2: analysis of affinity constants and comparison with PEPT1. Eur J Pharm Biopharm. 2005 Jan;59(1):17-24. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Substrate
Inhibitor
General Function
Secondary active transporter that functions as a Na(+)-independent organic anion (OA)/dicarboxylate antiporter where the uptake of one molecule of OA into the cell is coupled with an efflux of one molecule of intracellular dicarboxylate such as 2-oxoglutarate or glutarate (PubMed:11669456, PubMed:11907186, PubMed:14675047, PubMed:22108572, PubMed:23832370, PubMed:28534121, PubMed:9950961). Mediates the uptake of OA across the basolateral side of proximal tubule epithelial cells, thereby contributing to the renal elimination of endogenous OA from the systemic circulation into the urine (PubMed:9887087). Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins (PubMed:28534121). Transports prostaglandin E2 (PGE2) and prostaglandin F2-alpha (PGF2-alpha) and may contribute to their renal excretion (PubMed:11907186). Also mediates the uptake of cyclic nucleotides such as cAMP and cGMP (PubMed:26377792). Involved in the transport of neuroactive tryptophan metabolites kynurenate (KYNA) and xanthurenate (XA) and may contribute to their secretion from the brain (PubMed:22108572, PubMed:23832370). May transport glutamate (PubMed:26377792). Also involved in the disposition of uremic toxins and potentially toxic xenobiotics by the renal organic anion secretory pathway, helping reduce their undesired toxicological effects on the body (PubMed:11669456, PubMed:14675047). Uremic toxins include the indoxyl sulfate (IS), hippurate/N-benzoylglycine (HA), indole acetate (IA), 3-carboxy-4- methyl-5-propyl-2-furanpropionate (CMPF) and urate (PubMed:14675047, PubMed:26377792). Xenobiotics include the mycotoxin ochratoxin (OTA) (PubMed:11669456). May also contribute to the transport of organic compounds in testes across the blood-testis-barrier (PubMed:35307651)
Specific Function
alpha-ketoglutarate transmembrane transporter activity
Gene Name
SLC22A6
Uniprot ID
Q4U2R8
Uniprot Name
Solute carrier family 22 member 6
Molecular Weight
61815.78 Da
References
  1. Jung KY, Takeda M, Shimoda M, Narikawa S, Tojo A, Kim DK, Chairoungdua A, Choi BK, Kusuhara H, Sugiyama Y, Sekine T, Endou H: Involvement of rat organic anion transporter 3 (rOAT3) in cephaloridine-induced nephrotoxicity: in comparison with rOAT1. Life Sci. 2002 Mar 8;70(16):1861-74. [Article]
  2. Jariyawat S, Sekine T, Takeda M, Apiwattanakul N, Kanai Y, Sophasan S, Endou H: The interaction and transport of beta-lactam antibiotics with the cloned rat renal organic anion transporter 1. J Pharmacol Exp Ther. 1999 Aug;290(2):672-7. [Article]
  3. Uwai Y, Saito H, Inui K: Rat renal organic anion transporter rOAT1 mediates transport of urinary-excreted cephalosporins, but not of biliary-excreted cefoperazone. Drug Metab Pharmacokinet. 2002;17(2):125-9. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Substrate
General Function
Multidrug efflux pump that functions as a H(+)/organic cation antiporter (PubMed:16330770, PubMed:17509534). Plays a physiological role in the excretion of cationic compounds including endogenous metabolites, drugs, toxins through the kidney and liver, into urine and bile respectively (PubMed:16330770, PubMed:17495125, PubMed:17509534, PubMed:17582384, PubMed:18305230, PubMed:19158817, PubMed:21128598, PubMed:24961373). Mediates the efflux of endogenous compounds such as creatinine, vitamin B1/thiamine, agmatine and estrone-3-sulfate (PubMed:16330770, PubMed:17495125, PubMed:17509534, PubMed:17582384, PubMed:18305230, PubMed:19158817, PubMed:21128598, PubMed:24961373). May also contribute to regulate the transport of cationic compounds in testis across the blood-testis-barrier (Probable)
Specific Function
antiporter activity
Gene Name
SLC47A1
Uniprot ID
Q96FL8
Uniprot Name
Multidrug and toxin extrusion protein 1
Molecular Weight
61921.585 Da
References
  1. Watanabe S, Tsuda M, Terada T, Katsura T, Inui K: Reduced renal clearance of a zwitterionic substrate cephalexin in MATE1-deficient mice. J Pharmacol Exp Ther. 2010 Aug;334(2):651-6. doi: 10.1124/jpet.110.169433. Epub 2010 May 19. [Article]
  2. Motohashi H, Inui K: Organic cation transporter OCTs (SLC22) and MATEs (SLC47) in the human kidney. AAPS J. 2013 Apr;15(2):581-8. doi: 10.1208/s12248-013-9465-7. Epub 2013 Feb 22. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Inhibitor
General Function
Functions as an organic anion/dicarboxylate exchanger that couples organic anion uptake indirectly to the sodium gradient (PubMed:14586168, PubMed:15644426, PubMed:15846473, PubMed:16455804, PubMed:31553721). Transports organic anions such as estrone 3-sulfate (E1S) and urate in exchange for dicarboxylates such as glutarate or ketoglutarate (2-oxoglutarate) (PubMed:14586168, PubMed:15846473, PubMed:15864504, PubMed:22108572, PubMed:23832370). Plays an important role in the excretion of endogenous and exogenous organic anions, especially from the kidney and the brain (PubMed:11306713, PubMed:14586168, PubMed:15846473). E1S transport is pH- and chloride-dependent and may also involve E1S/cGMP exchange (PubMed:26377792). Responsible for the transport of prostaglandin E2 (PGE2) and prostaglandin F2(alpha) (PGF2(alpha)) in the basolateral side of the renal tubule (PubMed:11907186). Involved in the transport of neuroactive tryptophan metabolites kynurenate and xanthurenate (PubMed:22108572, PubMed:23832370). Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins (PubMed:28534121). May be involved in the basolateral transport of steviol, a metabolite of the popular sugar substitute stevioside (PubMed:15644426). May participate in the detoxification/ renal excretion of drugs and xenobiotics, such as the histamine H(2)-receptor antagonists fexofenadine and cimetidine, the antibiotic benzylpenicillin (PCG), the anionic herbicide 2,4-dichloro-phenoxyacetate (2,4-D), the diagnostic agent p-aminohippurate (PAH), the antiviral acyclovir (ACV), and the mycotoxin ochratoxin (OTA), by transporting these exogenous organic anions across the cell membrane in exchange for dicarboxylates such as 2-oxoglutarate (PubMed:11669456, PubMed:15846473, PubMed:16455804). Contributes to the renal uptake of potent uremic toxins (indoxyl sulfate (IS), indole acetate (IA), hippurate/N-benzoylglycine (HA) and 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF)), pravastatin, PCG, E1S and dehydroepiandrosterone sulfate (DHEAS), and is partly involved in the renal uptake of temocaprilat (an angiotensin-converting enzyme (ACE) inhibitor) (PubMed:14675047). May contribute to the release of cortisol in the adrenals (PubMed:15864504). Involved in one of the detoxification systems on the choroid plexus (CP), removes substrates such as E1S or taurocholate (TC), PCG, 2,4-D and PAH, from the cerebrospinal fluid (CSF) to the blood for eventual excretion in urine and bile (By similarity). Also contributes to the uptake of several other organic compounds such as the prostanoids prostaglandin E(2) and prostaglandin F(2-alpha), L-carnitine, and the therapeutic drugs allopurinol, 6-mercaptopurine (6-MP) and 5-fluorouracil (5-FU) (By similarity). Mediates the transport of PAH, PCG, and the statins pravastatin and pitavastatin, from the cerebrum into the blood circulation across the blood-brain barrier (BBB). In summary, plays a role in the efflux of drugs and xenobiotics, helping reduce their undesired toxicological effects on the body (By similarity)
Specific Function
organic anion transmembrane transporter activity
Gene Name
SLC22A8
Uniprot ID
Q8TCC7
Uniprot Name
Organic anion transporter 3
Molecular Weight
59855.585 Da
References
  1. Jung KY, Takeda M, Shimoda M, Narikawa S, Tojo A, Kim DK, Chairoungdua A, Choi BK, Kusuhara H, Sugiyama Y, Sekine T, Endou H: Involvement of rat organic anion transporter 3 (rOAT3) in cephaloridine-induced nephrotoxicity: in comparison with rOAT1. Life Sci. 2002 Mar 8;70(16):1861-74. [Article]

Drug created at June 13, 2005 13:24 / Updated at October 21, 2024 12:36